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tonight at the deer lease i had ran my truck for 2-3 hours just about idle to maybe 1500 rpm. when i went to close gate i had notice my exhaust smelt more rich than ever. looked at the tail pipe and it was pouring smoke. drove down the road and even more smoke. did not go away till after 10 miles of driving at highway speeds. i had just install h&s tune on my truck and it is on tow setting. any ideas? i still have the dpf and egr on truck.

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no it gave me an option if dpf is present or removed. its on present tow tune. it has not done it since. i'm wondering if its just loaded up with the fuel to burn off the gunk in the filter. i was driving around in 4wd going real slow and it idled for almost 2 hours. any recommended brand of dpf delete and egr deletes?

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my 2011 C&C truck does the same thing.. Sometimes, it will spew crap for several miles down the road. Best thing ive found is to just hold it on the floor to get the exhaust temps up and itll burn off pretty quick.

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